@keyframes productFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-7px) scale(1.03);
  }
}

@keyframes productGlow {
  0%, 100% {
    filter: drop-shadow(0 5px 8px rgba(0, 0, 0, .12));
  }

  50% {
    filter: drop-shadow(0 12px 14px rgba(255, 24, 24, .22));
  }
}

.diamond-card img,
.special-offer img {
  animation: productFloat 3.2s ease-in-out infinite, productGlow 3.2s ease-in-out infinite;
  will-change: transform, filter;
}

.diamond-card:nth-child(2) img,
.special-offer:nth-child(2) img {
  animation-delay: .25s;
}

.diamond-card:nth-child(3) img,
.special-offer:nth-child(3) img {
  animation-delay: .5s;
}

.diamond-card:nth-child(4) img,
.special-offer:nth-child(4) img {
  animation-delay: .75s;
}

.diamond-card:hover img,
.special-offer:hover img {
  animation-duration: 1.8s;
}